/* After removal of a parameter (-d) Lustre will use the default
* AT NEXT REBOOT, not immediately. */
int jt_lcfg_mgsparam(int argc, char **argv)
{
int rc;
int del = 0;
struct lustre_cfg_bufs bufs;
struct lustre_cfg *lcfg;
char *buf = NULL;
#if LUSTRE_VERSION_CODE >= OBD_OCD_VERSION(2, 7, 53, 0)
fprintf(stderr, "warning: 'lctl conf_param' is deprecated, "
"use 'lctl set_param -P' instead\n");
#endif
/* mgs_setparam processes only lctl buf #1 */
if ((argc > 3) || (argc <= 1))
return CMD_HELP;
while ((rc = getopt(argc, argv, "d")) != -1) {
switch (rc) {
case 'd':
del = 1;
break;
default:
return CMD_HELP;
}
}
lustre_cfg_bufs_reset(&bufs, NULL);
if (del) {
char *ptr;
/* for delete, make it "<param>=\0" */
buf = malloc(strlen(argv[optind]) + 2);
/* put an '=' on the end in case it doesn't have one */
sprintf(buf, "%s=", argv[optind]);
/* then truncate after the first '=' */
ptr = strchr(buf, '=');
*(++ptr) = '\0';
lustre_cfg_bufs_set_string(&bufs, 1, buf);
} else {
lustre_cfg_bufs_set_string(&bufs, 1, argv[optind]);
}
/* We could put other opcodes here. */
lcfg = lustre_cfg_new(LCFG_PARAM, &bufs);
rc = lcfg_mgs_ioctl(argv[0], OBD_DEV_ID, lcfg);
lustre_cfg_free(lcfg);
if (buf)
free(buf);
if (rc < 0) {
fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
strerror(rc = errno));
}
return rc;
}
int jt_lcfg_add_conn(int argc, char **argv)
{
struct lustre_cfg_bufs bufs;
struct lustre_cfg *lcfg;
int priority;
int rc;
if (argc == 2)
priority = 0;
else if (argc == 3)
priority = 1;
else
return CMD_HELP;
if (lcfg_devname == NULL) {
fprintf(stderr, "%s: please use 'device name' to set the "
"device name for config commands.\n",
jt_cmdname(argv[0]));
return -EINVAL;
}
lustre_cfg_bufs_reset(&bufs, lcfg_devname);
lustre_cfg_bufs_set_string(&bufs, 1, argv[1]);
lcfg = lustre_cfg_new(LCFG_ADD_CONN, &bufs);
if (lcfg == NULL) {
rc = -ENOMEM;
} else {
lcfg->lcfg_num = priority;
rc = lcfg_ioctl(argv[0], OBD_DEV_ID, lcfg);
lustre_cfg_free(lcfg);
}
if (rc < 0) {
fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
strerror(rc = errno));
}
return rc;
}
int jt_lcfg_setparam(int argc, char **argv)
{
int rc = 0, i;
struct param_opts popt;
char pattern[PATH_MAX];
char *path = NULL, *value = NULL;
rc = setparam_cmdline(argc, argv, &popt);
if (rc < 0 || rc >= argc)
return CMD_HELP;
if (popt.po_params2)
/* We can't delete parameters that were
* set with old conf_param interface */
return jt_lcfg_mgsparam2(argc, argv, &popt);
for (i = rc, rc = 0; i < argc; i++) {
int rc2;
if ((value = strchr(argv[i], '=')) != NULL) {
/* format: set_param a=b */
*value = '\0';
value ++;
path = argv[i];
if (*value == '\0')
break;
} else {
/* format: set_param a b */
if (path == NULL) {
path = argv[i];
continue;
} else {
value = argv[i];
}
}
clean_path(path);
lprocfs_param_pattern(argv[0], path, pattern, sizeof(pattern));
rc2 = setparam_display(&popt, pattern, value);
path = NULL;
value = NULL;
if (rc2 < 0 && rc == 0)
rc = rc2;
}
if (path != NULL && (value == NULL || *value == '\0'))
fprintf(stderr, "error: %s: setting %s=: %s\n",
jt_cmdname(argv[0]), path, strerror(rc = EINVAL));
return rc;
}
int jt_lcfg_listparam(int argc, char **argv)
{
int rc = 0, index, i;
struct param_opts popt;
char *path;
memset(&popt, 0, sizeof(popt));
index = listparam_cmdline(argc, argv, &popt);
if (index < 0 || index >= argc)
return CMD_HELP;
for (i = index; i < argc; i++) {
int rc2;
path = argv[i];
rc2 = clean_path(&popt, path);
if (rc2 < 0) {
fprintf(stderr, "error: %s: cleaning '%s': %s\n",
jt_cmdname(argv[0]), path, strerror(-rc2));
if (rc == 0)
rc = rc2;
continue;
}
rc2 = param_display(&popt, path, NULL, LIST_PARAM);
if (rc2 < 0) {
fprintf(stderr, "error: %s: listing '%s': %s\n",
jt_cmdname(argv[0]), path, strerror(-rc2));
if (rc == 0)
rc = rc2;
continue;
}
}
return rc;
}
int jt_lcfg_setup(int argc, char **argv)
{
struct lustre_cfg_bufs bufs;
struct lustre_cfg *lcfg;
int i;
int rc;
if (lcfg_devname == NULL) {
fprintf(stderr, "%s: please use 'device name' to set the "
"device name for config commands.\n",
jt_cmdname(argv[0]));
return -EINVAL;
}
lustre_cfg_bufs_reset(&bufs, lcfg_devname);
if (argc > 6)
return CMD_HELP;
for (i = 1; i < argc; i++) {
lustre_cfg_bufs_set_string(&bufs, i, argv[i]);
}
lcfg = lustre_cfg_new(LCFG_SETUP, &bufs);
if (lcfg == NULL) {
rc = -ENOMEM;
} else {
rc = lcfg_ioctl(argv[0], OBD_DEV_ID, lcfg);
lustre_cfg_free(lcfg);
}
if (rc < 0)
fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
strerror(rc = errno));
return rc;
}
int jt_lcfg_del_mount_option(int argc, char **argv)
{
int rc;
struct lustre_cfg_bufs bufs;
struct lustre_cfg *lcfg;
if (argc != 2)
return CMD_HELP;
lustre_cfg_bufs_reset(&bufs, lcfg_devname);
/* profile name */
lustre_cfg_bufs_set_string(&bufs, 1, argv[1]);
lcfg = lustre_cfg_new(LCFG_DEL_MOUNTOPT, &bufs);
rc = lcfg_ioctl(argv[0], OBD_DEV_ID, lcfg);
lustre_cfg_free(lcfg);
if (rc < 0) {
fprintf(stderr, "error: %s: %s\n", jt_cmdname(argv[0]),
strerror(rc = errno));
}
return rc;
}
/* Param set to single log file, used by all clients and servers.
* This should be loaded after the individual config logs.
* Called from set param with -P option.
*/
static int jt_lcfg_mgsparam2(int argc, char **argv, struct param_opts *popt)
{
int rc, i;
int first_param;
struct lustre_cfg_bufs bufs;
struct lustre_cfg *lcfg;
char *buf = NULL;
int len;
first_param = optind;
if (first_param < 0 || first_param >= argc)
return CMD_HELP;
for (i = first_param, rc = 0; i < argc; i++) {
lustre_cfg_bufs_reset(&bufs, NULL);
/* This same command would be executed on all nodes, many
* of which should fail (silently) because they don't have
* that proc file existing locally. There would be no
* preprocessing on the MGS to try to figure out which
* parameter files to add this to, there would be nodes
* processing on the cluster nodes to try to figure out
* if they are the intended targets. They will blindly
* try to set the parameter, and ENOTFOUND means it wasn't
* for them.
* Target name "general" means call on all targets. It is
* left here in case some filtering will be added in
* future.
*/
lustre_cfg_bufs_set_string(&bufs, 0, "general");
len = strlen(argv[i]);
/* put an '=' on the end in case it doesn't have one */
if (popt->po_delete && argv[i][len - 1] != '=') {
buf = malloc(len + 1);
sprintf(buf, "%s=", argv[i]);
} else {
buf = argv[i];
}
lustre_cfg_bufs_set_string(&bufs, 1, buf);
lcfg = lustre_cfg_new(LCFG_SET_PARAM, &bufs);
if (IS_ERR(lcfg)) {
fprintf(stderr, "error: allocating lcfg for %s: %s\n",
jt_cmdname(argv[0]), strerror(PTR_ERR(lcfg)));
if (rc == 0)
rc = PTR_ERR(lcfg);
} else {
int rc2 = lcfg_mgs_ioctl(argv[0], OBD_DEV_ID, lcfg);
if (rc2 != 0) {
fprintf(stderr, "error: executing %s: %s\n",
jt_cmdname(argv[0]), strerror(errno));
if (rc == 0)
rc = rc2;
}
lustre_cfg_free(lcfg);
}
if (buf != argv[i])
free(buf);
}
return rc;
}
int jt_lcfg_setparam(int argc, char **argv)
{
int rc = 0, index, i;
struct param_opts popt;
char *path = NULL, *value = NULL;
memset(&popt, 0, sizeof(popt));
index = setparam_cmdline(argc, argv, &popt);
if (index < 0 || index >= argc)
return CMD_HELP;
if (popt.po_params2)
/* We can't delete parameters that were
* set with old conf_param interface */
return jt_lcfg_mgsparam2(argc, argv, &popt);
for (i = index; i < argc; i++) {
int rc2;
path = NULL;
value = strchr(argv[i], '=');
if (value != NULL) {
/* format: set_param a=b */
*value = '\0';
value++;
path = argv[i];
if (*value == '\0') {
fprintf(stderr,
"error: %s: setting %s: no value\n",
jt_cmdname(argv[0]), path);
if (rc == 0)
rc = -EINVAL;
continue;
}
} else {
/* format: set_param a b */
path = argv[i];
i++;
if (i >= argc) {
fprintf(stderr,
"error: %s: setting %s: no value\n",
jt_cmdname(argv[0]), path);
if (rc == 0)
rc = -EINVAL;
break;
} else {
value = argv[i];
}
}
rc2 = clean_path(&popt, path);
if (rc2 < 0) {
fprintf(stderr, "error: %s: cleaning %s: %s\n",
jt_cmdname(argv[0]), path, strerror(-rc2));
if (rc == 0)
rc = rc2;
continue;
}
/* A value containing '=' is indicative of user error, e.g.:
* lctl set_param param1 param2=value2
* lctl set_param param1=param2=value2
*/
if (strchr(value, '=') != NULL)
fprintf(stderr,
"warning: %s: value '%s' contains '='\n",
jt_cmdname(argv[0]), value);
rc2 = param_display(&popt, path, value, SET_PARAM);
if (rc == 0)
rc = rc2;
}
return rc;
}
